[INFO] fetching crate cluExtIO 0.1.7...
[INFO] checking cluExtIO-0.1.7 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate cluExtIO 0.1.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cluExtIO 0.1.7 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cluExtIO 0.1.7
[INFO] finished tweaking crates.io crate cluExtIO 0.1.7
[INFO] tweaked toml for crates.io crate cluExtIO 0.1.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81a66b54cf75bd2ac7838eb7557efb92935e8bfbd70b6150fcf6935550b1276d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "81a66b54cf75bd2ac7838eb7557efb92935e8bfbd70b6150fcf6935550b1276d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81a66b54cf75bd2ac7838eb7557efb92935e8bfbd70b6150fcf6935550b1276d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a66b54cf75bd2ac7838eb7557efb92935e8bfbd70b6150fcf6935550b1276d", kill_on_drop: false }`
[INFO] [stdout] 81a66b54cf75bd2ac7838eb7557efb92935e8bfbd70b6150fcf6935550b1276d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7f8d34c5a03b7a02a14d0506878e5ca0d9c137dcb58cacc869460cf923e60bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a7f8d34c5a03b7a02a14d0506878e5ca0d9c137dcb58cacc869460cf923e60bd", kill_on_drop: false }`
[INFO] [stderr]     Checking cluExtIO v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/flush/drop.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl<T: 'static + Write> Into<Box<Write>> for FlushDropWrite<T> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/flush/drop.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/flush/drop.rs:69:33
[INFO] [stdout]    |
[INFO] [stdout] 69 |           Box::new(self) as Box<Write>
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/union/write.rs:97:84
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl<'a, W: 'static + 'a + ExtWrite<'a>, W2: 'static + 'a + ExtWrite<'a>> Into<Box<Write + 'a>> for UnionWrite<W, W2> {
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/union/write.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/guard.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Write> Into<Box<Write>> for GuardWrite<'static, T> {
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/guard.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/guard.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |           Box::new(self) as Box<Write>
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/mod.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl<T: 'static + Write> Into<Box<Write>> for MutexWrite<T> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/mod.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/mod.rs:96:33
[INFO] [stdout]    |
[INFO] [stdout] 96 |           Box::new(self) as Box<Write>
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/empty.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Into<Box<Write>> for EmptyWrite {
[INFO] [stdout]    |               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/empty.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/empty.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 |           Box::new(self) as Box<Write>
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/flush/drop.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl<T: 'static + Write> Into<Box<Write>> for FlushDropWrite<T> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/flush/drop.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/flush/drop.rs:69:33
[INFO] [stdout]    |
[INFO] [stdout] 69 |           Box::new(self) as Box<Write>
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/union/write.rs:97:84
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl<'a, W: 'static + 'a + ExtWrite<'a>, W2: 'static + 'a + ExtWrite<'a>> Into<Box<Write + 'a>> for UnionWrite<W, W2> {
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/union/write.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/guard.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Write> Into<Box<Write>> for GuardWrite<'static, T> {
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/guard.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/guard.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |           Box::new(self) as Box<Write>
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/mod.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl<T: 'static + Write> Into<Box<Write>> for MutexWrite<T> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/mod.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/mutex/mod.rs:96:33
[INFO] [stdout]    |
[INFO] [stdout] 96 |           Box::new(self) as Box<Write>
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/empty.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Into<Box<Write>> for EmptyWrite {
[INFO] [stdout]    |               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/empty.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |      fn into(self) -> Box<Write> {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/write/empty.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 |           Box::new(self) as Box<Write>
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `cluExtIO` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `clu_ext_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `cluExtIO` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `clu_ext_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "a7f8d34c5a03b7a02a14d0506878e5ca0d9c137dcb58cacc869460cf923e60bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f8d34c5a03b7a02a14d0506878e5ca0d9c137dcb58cacc869460cf923e60bd", kill_on_drop: false }`
[INFO] [stdout] a7f8d34c5a03b7a02a14d0506878e5ca0d9c137dcb58cacc869460cf923e60bd